https://www.opticallimits.com/sony-alpha-aps-c-lens-tests/1180-tamron1120f28
Surprisingly good.
In the MTF tables for the 14mm and 20mm settings you used “Center” where I believe it should be “Near Center”.
Looks awesome AND not really due to auto-corrections. So after the 20/2.8 / 24/2.8 Tamron has returned to the "old school" a bit. =)